login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A299839 as a triangular array

0
11
141
218182
364142643
5236100010002365
888873881385073888888
1333365461119820219820254611333613
21125124029282853873554404428538734029281251221
34469282973312

A299839 as a square array

0112358132134
14186423688833361251246928
11814210007388546114029282973312
2641000138501982022853873
323673881982025544044
5888546112853873
83336402928
1312512
21
0112358132134
14186423688833361251246928
11814210007388546114029282973312
2641000138501982022853873
323673881982025544044
5888546112853873
83336402928
1312512
21